Beep sound by 'Audio API'

Type:sine, Freq:400, Duration:50 Type:sine, Freq:400, Duration:200 Type:sine, Freq:400, Duration:400 Type:sine, Freq:800, Duration:50 Type:sine, Freq:800, Duration:200 Type:sine, Freq:800, Duration:400 Type:square, Freq:400, Duration:50 Type:square, Freq:400, Duration:200 Type:square, Freq:400, Duration:400 Type:square, Freq:800, Duration:50 Type:square, Freq:800, Duration:200 Type:square, Freq:800, Duration:400 Type:sawtooth, Freq:400, Duration:50 Type:sawtooth, Freq:400, Duration:200 Type:sawtooth, Freq:400, Duration:400 Type:sawtooth, Freq:800, Duration:50 Type:sawtooth, Freq:800, Duration:200 Type:sawtooth, Freq:800, Duration:400 Type:triangle, Freq:400, Duration:50 Type:triangle, Freq:400, Duration:200 Type:triangle, Freq:400, Duration:400 Type:triangle, Freq:800, Duration:50 Type:triangle, Freq:800, Duration:200 Type:triangle, Freq:800, Duration:400